<template>
  <div>
    <!-- 头部面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 头部面包屑导航 -->
    <!-- 卡片显示区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容"
                    v-model="queryInfo.query"
                    clearable
                    @clear="onSearchClearClicked">
            <el-button slot="append"
                       icon="el-icon-search"
                       @click="onSearchClicked"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary"
                     @click="onAddGoodsClicked">添加商品</el-button>
        </el-col>
      </el-row>
      <el-table :data="goodslist"
                border
                stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称"
                         prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)"
                         prop="goods_price"
                         width="90px"></el-table-column>
        <el-table-column label="商品重量"
                         prop="goods_weight"
                         width="70px"></el-table-column>
        <el-table-column label="创建时间"
                         width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作"
                         width="120px">
          <template slot-scope="scope">
            <el-button type="primary"
                       icon="el-icon-edit"
                       size="mini"></el-button>
            <el-button type="danger"
                       icon="el-icon-delete"
                       size="mini"
                       @click="onRemoveGoodsClicked(scope.row)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination @size-change="handleSizeChange"
                     @current-change="handleCurrentChange"
                     :current-page="queryInfo.pagenum"
                     :page-sizes="[5, 10, 15, 30]"
                     :page-size="queryInfo.pagesize"
                     layout="total, sizes, prev, pager, next, jumper"
                     :total="total">
      </el-pagination>
    </el-card>
    <!-- 卡片显示区域 -->
  </div>
</template>

<script>
export default {
  created() {
    this.getGoodsList()
  },
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodslist: [],
      total: 0
    }
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$msg.error(res.meta.status + res.meta.msg)
      }

      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(size) {
      this.queryInfo.pagesize = size
      this.getGoodsList()
    },
    handleCurrentChange(page) {
      this.queryInfo.pagenum = page
      this.getGoodsList()
    },
    onSearchClicked() {
      this.getGoodsList()
    },
    onSearchClearClicked() {
      this.getGoodsList()
    },
    async onRemoveGoodsClicked(goods) {
      const result = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      if (result !== 'confirm') {
        return this.$msg.info('已经取消删除！')
      }

      const { data: res } = await this.$http.delete(`goods/${goods.goods_id}`)
      if (res.meta.status !== 200) {
        return this.$msg.error(res.meta.status + res.meta.msg)
      }
      this.$msg.success(res.meta.msg)
      this.getGoodsList()
    },
    onAddGoodsClicked() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>
